MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple unknown URLs, many of which are hosted on compromised CMS uploads or disposable domains. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of malicious intent. The presence of numerous links suggests an attempt to trick users into downloading a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://cauthinh.com/luutru/files/50188368412.pdf In PDF document text
- http://goldstecq.com/userfiles/file/bufukom.pdfIn PDF document text
- https://weborder.cloud/userfiles/file///wowubajila.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/16140fa4ec14ca---70306977771.pdfIn PDF document text
- https://cvsc.co/userfiles/file/55847862505.pdfIn PDF document text
- http://studiochiodo.eu/userfiles/files/lemotagudolabiserolip.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143ce7c11d42---tirokokujijijobosaber.pdfIn PDF document text
- http://gerocuki.hu/user/file/48910886618.pdfIn PDF document text
- http://lokalsport.no/userfiles/file/popitekubisadukalifu.pdfIn PDF document text
- https://fishuntpesca.it/file/48011768462.pdfIn PDF document text
- https://invision.buzyhub.com/files/2945426326.pdfIn PDF document text
- https://papiratisk.cz/soubory/berusalemugelovevutuwe.pdfIn PDF document text
- http://studiofelician.com/userfiles/files/gixer.pdfIn PDF document text
- http://gr-chem.com/upload/files/80122875050.pdfIn PDF document text
- http://zgkimsteszew.pl/img/upload/files/3141925929.pdfIn PDF document text
- http://shinex-auto.com/userfiles/file/sunufemalekokinodakenigo.pdfIn PDF document text
- https://tomas-music.com/contents/files/80607405092.pdfIn PDF document text
- https://weilaimachinery.com/userfiles/files/3307825762.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161402cce2a425---31468707804.pdfIn PDF document text
- http://slkuang.com/v15/Upload/file/202191035693542.pdfIn PDF document text
- http://salt17.com/userfiles/files/sulidopomilixodozeze.pdfIn PDF document text
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/a16c0a984d073f2240836c5edc2ba329/midamizenutoxojasi.pdfIn PDF document text
- http://pickup-ws.com/userfiles/files/bujomubeviselusojowuziter.pdfIn PDF document text
- http://vuonlan.vn/data/upload/files/nedarugudir.pdfIn PDF document text
- https://a-metal.e-giant.net/archive/file/files/suzererixelowavu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=download+moviebox+proPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000db03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB03 | 17252 bytes |
SHA-256: 8dbacce3f06c9fce66eb34eb635e944e25ae5af7f3a5964079da625081041770 |
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font_01_sfnt_off000107c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011fdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FDB | 10680 bytes |
SHA-256: d2e3a0db7c1525d3d0b959c9a99199d1b52d5687fc3494c7e05712abbca25b77 |
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